#!/bin/sh 
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[ $# -eq 1 ] && header_dir=$1 || header_dir=tools/include/uapi/linux/ 
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printf "static const char *socket_ipproto[] = {\n" 
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regex='^[[:space:]]+IPPROTO_(\w+)[[:space:]]+=[[:space:]]+([[:digit:]]+),.*' 
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egrep $regex ${header_dir}/in.h | \ 
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    sed -r "s/$regex/\2 \1/g"    | \ 
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    sort | xargs printf "\t[%s] = \"%s\",\n" 
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printf "};\n" 
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